01 -
Set oven to 425°F (220°C) to prepare for roasting.
02 -
Arrange halved tomatoes cut side up, quartered red bell peppers, onion, and garlic on a baking sheet. Drizzle with olive oil and sprinkle with sea salt, black pepper, smoked paprika, and dried thyme.
03 -
Place baking sheet in oven and roast for 30 minutes, turning peppers and onion halfway through, until vegetables are softened and lightly charred.
04 -
Move roasted vegetables to a large pot. Pour in vegetable broth.
05 -
Bring contents to a simmer over medium heat and cook for 10 minutes to combine flavors.
06 -
Using an immersion blender, purée soup until silky. Alternatively, transfer in batches to a countertop blender and blend until smooth.
07 -
Taste and adjust seasoning as needed. For additional creaminess, stir in dairy or plant-based cream if desired.
08 -
Ladle hot soup into bowls. Top with chopped fresh basil and a drizzle of olive oil or cream, if using.